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TRUSTED BY DELHI, MI HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon861
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Delhi - Updated Nov 2026

Avatar for Schutz Heating & Cooling
Schutz Heating & Cooling
4.7(
104
)
Gas Furnace / Forced Air Heating System - InstallCentral A/C - InstallElectric Furnace / Forced Air Heating System - Install+47 more

Serving Delhi, MI and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Four years ago, we hired Schutz to install a AC in our older 1960's tri-level home. This has been one of the best home improvement decisions I've ever made. Retro-fitting an older home with AC is no small feat! Yet Tony and his crew did an outstanding job. Not only were they professional and thorough in the installation, but they were impeccably clean as well. The AC they installed has kept us "cool as a cucumber" on many blisteringly hot summer days. When it came time for our old boiler to be replaced, it was a no-brainer to figure out who to call. Once again, Tony and his crew at Schutz did an amazing job of removing our antiquated system and installing a beautiful new boiler and new garage closet to enclose the unit. As before, his guys were professional, thorough, timely, courteous and CLEAN! We have been kept warm and cozy all winter long! I am happy to recommend this company."
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Response time11 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for A-1 FURNACE & DUCT CLEANING LLC
A-1 FURNACE & DUCT CLEANING LLC
4.8(
71
)
Air Ducts & Vents - Clean

Serving Delhi, MI and surrounding areas

Approved

Super Service Award Winner

In business since 1981

Free estimates

Small jobs welcome

"Bill was very professional and did an awesome job cleaning the ducts, dryer vent, etc. I immediately noticed the air in the house is fresh. My daughter even noticed it when she came in. Great job. I recommended him to my daughter and will to whomever needs this done."
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+1

Response time1 day
Response rate100%
3 neighbors recently requested a quote
Avatar for Doctor Ducts, LLC
Doctor Ducts, LLC
5.0(
75
)
Air Ducts & Vents - Clean

Serving Delhi, MI and surrounding areas

Approved

In business since 2010

Free estimates

Small jobs welcome

"Clean Air Ducts and Vents - Doctor Ducts was great to work with. Excellent customer service and very detailed in explaining what was being done with my furnace and air ducts. They took pictures of what my vents looked like before/after. I would recommend them and will use their services again."
Response time2 hrs
Response rate98%
1 neighbors recently requested a quote
Irish Mist USA
4.6(
549
)
Air Ducts & Vents - Clean

Serving Delhi, MI and surrounding areas

Approved

In business since 1976

Free estimates

Credit card accepted

"We had our ducts and furnace cleaned. They did great work and I felt like I could trust them. When they offered additional services, I asked what they thought we needed. They gave me an honest answer and did not try and upsell me on every service. We plan to call them again when needed."
Response time7 hrs
76 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Right Now Heat and Air
Right Now Heat and Air
5.0(
4
)
Central A/C - InstallCentral Air Cleaner - Repair or ServiceGeothermal Heating or Cooling System - Install+1 more

Serving Delhi, MI and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quick response

At Right Now Heat And Air, a locally owned and operated HVAC contractor, we take pride in our ability to provide you with excellent customer service and high-quality results on every job we do. Our years of industry experience allow us to work on equipment of any age or size, making us the perfect choice for any issues your system may be having. With our 24/7 emergency services, we're on call at all times to make sure your system is working correctly. We also, are happy to incorporate all kinds of home warranties to your services.\n\nCall us today to learn more about how we can help your home or business.

Response time2 days
Recommended by100%of homeowners
Avatar for Smart Zone Heating and Cooling
Smart Zone Heating and Cooling
5.0(
5
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+4 more

Serving Delhi, MI and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

At Smart Zone Heating & Cooling, we provide reliable, high-quality heating and cooling services for both residential and commercial customers. Our goal is simple: deliver dependable HVAC solutions that improve comfort, efficiency, and long-term performance.\n\nAs a licensed and insured HVAC contractor, we specialize in professional installation, repair, and maintenance of heating and cooling systems. Whether you need a new furnace installation, air conditioning repair, system replacement, or preventative maintenance, we focus on doing the job right the first time.\n\nWe take pride in offering honest recommendations, fair pricing, and high-quality workmanship. Our team understands that HVAC systems are one of the most important components of any home or business, which is why we work efficiently, communicate clearly, and treat every property with care and respect.

Express Heating & Cooling Inc
5.0(
10
)
Gas Furnace / Forced Air Heating System - InstallCentral A/C - InstallElectric Furnace / Forced Air Heating System - Install+1 more

Serving Delhi, MI and surrounding areas

Approved

In business since 1995

Free estimates

Credit card accepted

We're dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company is built on honesty and integrity. We specialize in central air conditioning and cooling systems as well as heating and furnace systems. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long term relationships with our clients, and guarantee your satisfaction.

Furnace and A/C Installs
Furnace and A/C Installs
Furnace and A/C Installs
11 neighbors recently requested a quote
Recommended by25%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

HVAC pros recommend that you replace your AC filter every one to three months to maintain optimal indoor air quality and ensure your HVAC system operates efficiently. However, factors such as filter type, household size, and environmental conditions may influence the frequency of replacement. Regular filter changes help prevent debris buildup, maintain airflow, and prolong the life span of your air conditioning unit.

Yes, you can put an AC unit on the roof of your home or commercial building. For proper installation, you’ll need to ensure the roof surface is flat, it’s accessible for maintenance and cleaning, and an AC installation pro agreed that your home is a candidate for package units. Don’t forget to consider the climate in your area, as homes that experience frequent tropical storms or hurricanes may not benefit from this type of system.

When your HVAC system is loud, a few different causes are possible. If you have loose connections or bolts in the hardware, they can rattle as the system runs and vibrates. If you have an extremely dirty furnace filter, it could cause the system to generate noise. More commonly, an excessively loud HVAC system indicates a malfunction in the system. You may have a blower motor that is close to failing or a compressor that is breaking down. These issues require an immediate inspection.

You need to know the square footage of your home first. Multiply that number by 20, which will get you the BTUs (British Thermal Units) needed to cool your home efficiently. Homes up to 1,000 square feet usually need a 1.5-ton unit; homes 1,000 to 1,200 square feet usually need a 1.75-ton unit, and homes 1,200 to 1,400 square feet usually need a 1.9-ton unit. Talk to a local pro for more specific advice on your home. 

Trick question: There is no difference between an AC and a furnace blower motor. Whether you have central air and heat or just one of these, the same blower motor carries hot and cold air throughout the ductwork in your home. Certain systems may have separate blower motors for the AC and furnace, but each serves the same function.

The Delhi, MI homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.